大约有 8,300 项符合查询结果(耗时:0.0230秒) [XML]
What is the size of column of int(11) in mysql in bytes?
...he answer. That is a consequence of the number of characters in the header word "zerofill2" - it has nothing to do with testing display widths. Better to give that column a shorter name, e.g. "zf2". Then we would have a table where "int1, int2, and zf2 are all exactly the same width, even though int...
How to upgrade Git on Windows to the latest version?
...eckbox at the bottom [] Show only new settings (I don't remember the exact wording). Since nothing on the first screen changes when you mark the box, it is not exactly obvious what it is for. If you mark the box, then all of your current settings will be retained, and it will skip showing those sub...
PHP Pass variable to next page
...
HTML / HTTP is stateless, in other words, what you did / saw on the previous page, is completely unconnected with the current page. Except if you use something like sessions, cookies or GET / POST variables. Sessions and cookies are quite easy to use, with ses...
In Objective-C, what is the equivalent of Java's “instanceof” keyword?
...
See the isKindOfClass: method in the NSObject documentation. (The usual word of warning for such question is that checking the object class is often a sign of doing something wrong.)
share
|
impr...
Can you attach Amazon EBS to multiple instances?
...esystem would almost certainly end in tears and data corruption.
In other words, double mounting an EBS volume would only work if you were running a cluster filesystem that is designed to share a block device between multiple machines. Furthermore, even this wouldn't be enough. EBS would need to ...
BCL (Base Class Library) vs FCL (Framework Class Library)
...
nice, A picture is worth a thousand words
– mkb
Dec 20 '16 at 8:14
@amitguptage...
How to set the width of a cell in a UITableView in grouped style
...
@misterkoz -- a word of caution: Some iOS controls (UIDatePicker for definite) internally use UITableViewCells and break if you implement this in a category.
– Clafou
Jul 21 '12 at 10:09
...
PDO get the last ID inserted
...e last inserted ID of the connection underlying the PDO instance. In other words, it's safe in the scenario you described since concurrent queries would take place in separate connections.
– Corbin
Nov 19 '15 at 6:15
...
Git copy file preserving history [duplicate]
... This is an ingenious solution, but it is an interesting use of the word 'simple' to describe as such this ten-step workaround for the absence of what should be an atomic action in any system intended to track the history of legitimately copyable things.
– sdenham
...
Splitting on first occurrence
...
From the docs:
str.split([sep[, maxsplit]])
Return a list of the words in the string, using sep as the delimiter string. If maxsplit is given, at most maxsplit splits are done (thus, the list will have at most maxsplit+1 elements).
s.split('mango', 1)[1]
...
